Claude Tag moves into Slack channels
Anthropic replaced its Slack app with a persistent Claude agent that lives in the channel. Plus four other reads for today.
What changed in AI, and what to do about it.
A weekly briefing on AI developments and what they mean for your business. Browse past issues below.
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A $100M AI buyer swapped in a model 23x cheaper
Frontier-model bills stopped falling, and the largest AI buyers started swapping in cheaper tiers from the same vendors.
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The government broke Anthropic's best model this week
Anthropic's Fable 5 ban is ending, two of the field's most consequential people moved to the same lab, and the gap between an agent demo and a production system just closed faster than procurement can absorb.
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Cursor is training its own 1.5T-parameter model
Cursor announced a 1.5T-parameter frontier model at Compile, and OpenAI's leaked 2025 financials show what that bill looks like.
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SpaceX just bought your engineering team's IDE for $60B
The strategic buyers of AI tooling are no longer the software companies you'd expect, and the price tags are doubling between rounds.
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Anthropic's best model got an export control letter on Friday night
Lutnick's letter shut down Claude Fable 5 worldwide on Saturday. The precedent matters more than the model.
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AI just got $535 billion more expensive to build, and harder to buy.
Anthropic charged a premium for refusal, OpenAI signed a $500B Ohio lease, and Apple shipped Siri AI on a Gemini foundation.
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Anthropic built its best model. You can't buy it.
Anthropic released Mythos to the public as Fable 5, then engineered it to refuse the categories that make Mythos Mythos.
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Anthropic just shipped Mythos on AWS Bedrock day one
A frontier model bump arrives inside the AWS contract you already have. Plus OpenAI's S-1 and four more.
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Apple just made your AI vendor question routable
Apple put OpenAI, Anthropic, and Google behind Siri AI on Monday. Microsoft built the opposite stack at Build last week.
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Tesla put a driverless taxi on Austin roads this week
Tesla launched an unsupervised Robotaxi. Microsoft launched its own model on its own chip. Bain said the savings aren't landing.
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The AI ROI gap is a forecasting problem
Bain says the AI deployments worked, the cost savings didn't show up. Plus Alphabet's $80B raise, Coralogix's $200M, the Trump AI EO, and a Microsoft token-efficiency claim.
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Microsoft just built the off-ramp from OpenAI
Microsoft shipped its first frontier reasoning model trained without OpenAI. Plus Anthropic's S-1, Dell's 88%, GitHub Copilot's desktop app.
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Your $19 Copilot seat is now a $3,000 bill
GitHub Copilot and MiniMax both flipped to token billing on the same day. Every AI tool you use is sitting on this trigger.
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Anthropic shipped Opus 4.8 the same week Salesforce hit $11B
Three real-money numbers landed in five days, and the first viral counter-narrative arrived alongside them. The week the AI category got measured
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Cognition just hit $492M run-rate building Devin
A coding-agent company posted a $492 million revenue run-rate alongside its $1 billion round, and the run-rate is the number that matters for procurement teams. Plus five other things that moved.
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OpenAI is filing to go public at $730B
The lab you wrote into your AI roadmap is about to answer to public markets. Plus five other things.
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The Pope, Starbucks, and the AI bill that lands on the platform team
Pope Leo XIV's encyclical, Starbucks' quiet retirement, and the org-design problem AI just made expensive.
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Codex hit 4 million weekly developers
The week split the AI category into two operating modes: agents that keep working after you walk away, and buyers absorbing the gap.
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Karpathy joins Anthropic
Anthropic just made recursive AI research an explicit org structure, with Andrej Karpathy running it.
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Gemini moved into every surface Google owns
Google made agents a default surface across Search, Android, Workspace, and shopping, and METR put real numbers on what those agents still can't verify on their
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The strongest agent finished under 4% of real work last week
Six vendors said agents are the primary user this week. A new benchmark says agents finish under 4% of real workflows. Both are true.
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Mintlify just killed seat pricing in one sentence
Three same-week moves admit that the pricing model SaaS was built on no longer fits when agents are the users.
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Mercedes cut 8 months of work to 8 days
Coding agents stopped being a developer experiment yesterday. Plus Codex on Windows, a Claude Code console, and a quiet supply-chain attack on npm.
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Microsoft has made $30B from OpenAI
The Microsoft-OpenAI revenue split just shifted. Plus Google's first AI-generated zero-day and Mira Murati's debut.
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What changed in AI this week, and what it means for the work your company does.